13 июн. 2016 г. · Since the discriminant value is -3 and is less than zero, this means that the given function has no real solutions or roots.

The nature of the roots of the equation x2−5x+7=0 is. No real roots; Real and equal; Real and unequal; 1 real root and 1 imaginary · No real roots · Real and ...

2 авг. 2014 г. · It's discriminant is: 5² - 4(1)(7) = 25-28 = -3. Hence, b²-4ac is negative then it has two imaginary solutions or no real roots.

22 июн. 2021 г. · How many real roots does the quadratic equation x^2+5x+7=0 have? A、O B. 1 C. 2 D. 3 3.) The roots of a quadratic equation are -5 and 3.

How many real roots does the quadratic equation x2 + 5x + 7 = 0 have? x^2 +5.x+ 7=0. a =1. , b= 5. , c = 7. D = b^2 -4a.c. = (5)^2 - 4×1×7. = - 3. b^2 ...

5 сент. 2021 г. · How many real roots does the quadratic equation x2+5x+7=0 have? C. 2 A. 0 B. 1 D. 3 28. What are the roots of the quadratic equation x2+x-56=0 ?

Use the quadratic formula to find the solutions. Substitute the values a=1 , b=−5 , and c=−7 into the quadratic formula and solve for x .

So, we have: Δ = 5² - 4(1)(7) = 25 - 28 = -3 Since the discriminant is negative, the quadratic equation has no real roots.

How do you know how many solutions 2x2+5x−7=0 has? What is the Quadratic Formula? How do you derive the quadratic formula? How is quadratic formula used in ...